# SunFounder Controller vs TRC Portal

The clearest difference is rating: TRC Portal at 5.0 against SunFounder Controller's 4.2. SunFounder Controller's advantage is update cadence (every 3 months vs every 47 months) and ratings volume (27 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TRC Portal holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: SunFounder Controller has 27 ratings behind it against 1, so its average is the more settled of the two.

SunFounder Controller ships an update every 3 months, TRC Portal every 47 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SunFounder Controller | TRC Portal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (27 ratings)](https://appshunter.io/ios/app/sunfounder-controller/id1538719422/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/trc-portal/id1658857220/reviews)** |
| Number of ratings | **27** | 1 |
| Positive reviews | 94.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 47 months |
| Monetization | Free | Free |
| Size | 92 MB | 35 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Maker Stars Technology Co., Ltd.](https://appshunter.io/developer/1422345349) | [Web Canvas LLC](https://appshunter.io/developer/740353225) |

## What reviewers say

### SunFounder Controller

[App page](https://appshunter.io/ios/app/sunfounder-controller/id1538719422)

This app acts as a virtual remote control for robot kits powered by ESP32 and Raspberry Pi. It offers customizable controls like radar ranging, tracking, sliders, buttons, and arrow keys for interactive robot operation.

**Highlights:** Virtual remote control, ESP32 and Raspberry Pi compatibility, Radar ranging control, Three-channel tracking, Customizable control layout, Sliders, buttons, and arrow keys

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 👍 Great app
- 👍 Useful
- 👍 Good functionality
- 👍 Powerful features

**What reviewers complain about**

- 🐛 Needs to be more stable
- 🐛 Needs to be more user-friendly
- 🐛 Disconnects and won't reconnect without reinstallation
- 🐛 Link button off-screen on iPhone XS Max

**Reported bugs**

- App disconnects and requires reinstallation to reconnect
- Link button is off-screen on iPhone XS Max

**Requested features**

- Add a list-box or radio-button widget class
- More warm functions


### TRC Portal

[App page](https://appshunter.io/ios/app/trc-portal/id1658857220)

Access project details, including plans, documents, and photos, directly from your iPhone. This app provides clients with convenient access to their project information.

**Highlights:** View project information, Access plans and documents, Browse project photos, Client-specific access

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SunFounder Controller free?

SunFounder Controller is free to download, with no in-app purchases.

### Is TRC Portal free?

TRC Portal is free to download, with no in-app purchases.

### Which has better reviews, SunFounder Controller or TRC Portal?

TRC Portal is rated higher. SunFounder Controller averages 4.2 out of 5 from 27 ratings, while TRC Portal averages 5.0 from 1 ratings.

### Do SunFounder Controller or TRC Portal have ads?

Neither SunFounder Controller nor TRC Portal shows ads.

### Which is updated more often, SunFounder Controller or TRC Portal?

SunFounder Controller ships an update every 3 months, and TRC Portal every 47 months. Most recently, SunFounder Controller was updated on October 24, 2026 and TRC Portal on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*